Research Article
Composite g-C3N4/NiCo2O4 with Excellent Electrochemical Impedance as an Electrode for Supercapacitors
Figure 4
(a) g-C3N4/NiCo2O4 XPS spectrum and high-resolution XPS spectra of (b) Ni 2p; (c) Co 2p; (d) O 1s; (e) C 1s; (f) N 1s.
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